A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.
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For questions specific to Windows 7. Use [windows] instead for questions involving Windows in general.
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For questions not specific to a single version of Microsoft Windows. Otherwise, use a more specific tag such as [windows-7] or [windows-10].
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For questions on connecting devices together so that they can communicate with each other, as well as questions on networking equipment such as routers and switches.
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For questions specific to Windows 10. Use [windows] instead for questions involving Windows in general.
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Apple's Unix-based operating system. Use for questions about the operating system or to provide OS context. For Mac hardware questions, use [mac]. Questions about using macOS on non-Apple hardware ("H…
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A spreadsheet application by Microsoft. Use this tag along with [vba] if your question involves programming Excel in VBA, and with [worksheet-function] if it involves an Excel formula or worksheet fun…
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Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is Ask Ubuntu (http://askubuntu.com/).
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a non-volatile, random access device for storing digital data.
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should be used when asking home WiFi networking questions or connecting your personal computer to a public network. Questions about enterprise or corporate wireless networ…
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An interface for interacting with a computer using typed commands in a text-oriented environment, as opposed to a graphical user interface (GUI).
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For questions specific to Windows 8. Use [windows] instead for questions involving Windows in general.
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The process and events beginning with power being supplied to the processor and ending with the operating system fully loaded and ready for use. Questions about specific parts of the boot process shou…
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Google's web browser available on both mobile and desktop platforms.
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a free shell for Unix-like operating systems from the GNU Project.
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For questions specific to Windows XP. Use [windows] instead for questions involving Windows in general.
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a device that forwards data packets across multiple networks. Questions tagged with router can cover router hardware, software, and network configuration.
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Secure Shell; a network protocol that allows data transfer over a secure channel between two networked devices.
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Hardware related questions of computers sold/made by Apple. Use [macos] for the operating system, and use [mac-address] for MAC addresses instead.
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An open-source web browser developed by Mozilla. If relevant to the question, also include the tag of your operating system.
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Universal Serial Bus; an interface standard for connecting computers and electronic devices for communication and charging.
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portable personal computers with an integrated screen and keyboard. They come in a variety of sizes.
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a free, open source virtualization program from Oracle for the x86/x86_64 architectures.
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When you create two or more logical volumes (drives) from one physical hard disk (or other storage device), you're working with partitions.
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Always use the version specific tag for your version of Microsoft Word unless asking a general non-version specific question.
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Questions about using in-cell functions/formulas in spreadsheet software.
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For questions about the recording and playback of speech and music on your computer, as well as for problems about the sound component of videos.
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RAM (random access memory), either RAM hardware or software and operating system use of RAM.
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the middleware that allow computer programs to use resources of a specific hardware device.
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For questions specific to Windows 8.1. Use [windows] instead for questions involving Windows in general.
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a widespread Linux distribution focusing on stability, security, and the free software philosophy.
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Email clients and mail transfer agents. Questions about webmail are off-topic.
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Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.
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Solid-state drive; a device that uses solid-state memory to persistently store data, often as a replacement for a traditional hard drive. Because SSDs do not use mechanical seeking to access data, the…
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The protection of computer systems and information from threats such as theft or data destruction.
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Email client, calendar/appointment manager and address book/contacts list software. Not to be confused with outlook.com, the new name/interface for Hotmail.